Distribution Network Equipment
Home Distribution Network Equipment
FZW28-12

Outdoor HVAC vacuum load switch

Product Introduction

Usage conditions: Meet the relevant provisions of GB/T11022 standard and be able to meet the requirements of condensation and Class II polluted places

Comply To: GB/3804

product details
ItemUnitValune 
Rated voltageKV12
Rated currentA

630

Rated frequencyHz50
Rated load breaking currentA

630

Rated short-circuit closing current (peak)kA

50

Rated peak withstand currentkA50
Rated short-circuit withstand current 4SkA20
Rated current breaking times100

Power frequency withstand voltage

phase to phase and phase to groundkV42

(1min)

fracturekV48

lightning impulse

phase to phase and phase to groundkV75

Voltage withstand

fractureKV85
mechanical lifespanTime10000

Rated SF₆ pressure (meter pressure)

Mpa0